Tsubaki’s new BS-F Series backstops are designed for simple, drop-in installation to all major competitive external, low-speed backstop products. These backstops use a unique labyrinth seal design for maximum life with minimal maintenance. With Tsubaki’s innovative design features, our backstops ensure efficient and dependable operation in the harshest environments.

TYPICAL APPLICATIONS
  • Mining (Coal, Copper, Potash) - used in inclined conveyors and bucket elevators for transporting raw
  • more
Unit of Measure

Specifications

Bore Range - Max.

8.860 in225.00 mm

Bore Range - Min.

5.900 in150.00 mm

Torque Capacity

75200 lb·ft102000 N·m

Inner Race Max. Overrunning Speed

150 rpm

Drag Torque

54.540 lb·ft74.00 N·m

A - Backstop width

10.120 in257.00 mm

B - Overall length

19.690 in500.00 mm

C - Inside width

7.990 in203.00 mm

D - Center line of backstop to flange edge

12.800 in325.00 mm

E - Counterbore inside diameter

10.630 in270.00 mm

F - Overall inner race width

10.550 in268.00 mm

G - Counterbore depth

1.280 in32.50 mm

H - Overall backstop width

11.540 in293.00 mm

J - Distance from backstop center line to I-beam edge

77.990 in1981.00 mm

K - Torque arm height

10.000 in254.00 mm

L - Torque arm width

4.650 in118.00 mm

Amount of grease

2.860 lb1.300 kg

Weight - With Torque Arm - Min. Bore

1075.800 lb489.000 kg

Weight - With Torque Arm - Max. Bore

965.800 lb439.000 kg

Weight - Without Torque Arm - Min. Bore

849.200 lb386.000 kg

Weight - Without Torque Arm - Max.. Bore

739.200 lb336.000 kg